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Doctor insights on: Hiv Duo Test Window Period

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Dr. Jeffrey Stevens
16 doctors shared insights

Hiv (Definition)

Hiv infection is caused by a retrovirus....This retrovirus binds to CD4 cells (for the most part). You may detect the virus by several different methods. An elisa test (enzyme linked immunosorbent assay). You may also detect it by doing a test referred to as a western blot (a gel protein electrophoresis). Thirdly by pcr (polymerase chain reaction) which ...Read more


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What is the window period for p42 antigen/ antibody dual 4th gen HIV test? And the window period for HIV RNA PCR test? When can it be conclusive?

What is the window period for p42 antigen/ antibody dual 4th gen HIV test? And the window period for HIV RNA PCR test? When can it be conclusive?

See below: Please consult this site for a detailed answer. Nucleic acid tests are conclusive about a month after acquiring infection.
http://www.sfaf.org/hiv-info/testing/hiv-test-window-periods.html ...Read more

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If someone has HIV and shows symptoms of HIV will they test positive for it if it's during the window period?

If someone has HIV and shows symptoms of HIV will they test positive for it if it's during the window period?

Contradiction in: Terms. Window period is a few weeks after acquiring infection. If there are symptoms of HIV, it is no longer in the window period. ...Read more

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What is the true Window period for HIV? I have had a test 5 months after exposer to a woman with unknown risk it was negative and it still worries me.

What is the true Window period for HIV? I have had a test 5 months after exposer to a woman with unknown risk it was negative and it still worries me.

6 months is: Probably a good time to stop testing post exposure. I would recheck again in 1-2 months and if that is negative, I wouldn't worry anymore. ...Read more

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What is the window period of HIV test?

Time to turn positiv: After you get infected w/hiv (not every exposure leads to infection), there is a period where your tests will remain negative, depending upon you & your test. Therefore, you can also get HIV from someone who tested negative! Assuming they tested during their window period. Check out http://www.Sfaf. Org/hiv-info/testing/hiv-test-window-periods. Html for more info. Practice safer sex! ...Read more

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If I'm showing signs and symptoms of hiv, even if its before the window period is up, will I be able to test positive?

Depends: It is very unlikely that your symptoms are due to HIV, if you are in the window period. By definition, antibody tests are negative in the window period. If you get an HIV nucleic acid test, that is the earliest test to turn positive in a person with HIV. But a negative result on a test done too soon does not rule out infection. Visit this site for info.

http://www.cdc.gov/hiv/basics/testing.html ...Read more

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Window periods hiv test. I had 4 test hiv combo after 94 days negative. But my country state window period 6 month. Malaysia.?

Window periods hiv test. I had 4 test hiv combo after 94 days negative. But my country state window period 6 month. Malaysia.?

4 weeks. Believe it.: Only a few companies make most of the HIV tests used worldwide. The window period for the combo test (also called duo or 4th generation test) is the same everywhere, 4 weeks. That a particular health department or agency takes a conservative stance and promotes longer periods is a decision based on legalities, politics, and social context. I can't say why some agency in Malaysia says 6 months. ...Read more

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If I test negative for HIV three months after my last encounter, should I be fine? 3 months is the appropriate window period right?

If I test negative for HIV three months after my last encounter, should I be fine? 3 months is the appropriate window period right?

That's up to you: Consider yourself healthy if it's one of the new-style tests that's essentially always positive by 3 months (actually quite a bit less). But you will be FINE when you become a mature lover, always loving safely out of respect for your own body and for the other person's. Don't put yourself or anyone else in situation like this again. Think ahead of the love with that one special lifetime person. ...Read more

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Is it possible to have a false negative rapid HIV test well after window period (9 months after last possible exposure)? If so, why?

Is it possible to have a false negative rapid HIV test well after window period (9 months after last possible exposure)? If so, why?

Unlikely: When sufficient time has elapsed after one's last potential exposure, HIV tests are usually reliably positive if one is in fact infected. One has to be aware that the usual test looks for hiv-1, but there is also a hiv-2 which is far less common but could be in you and the standard test would not recognize it. ...Read more

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Help me. How long window period for HIV test of fourth generation ECLIA cobas 6000(combo) for HIV p24antigen & HIV antibody1 & 2 after exposure?

HIV testing: These antibody tests can take twelve weeks or more to be valid. If you are worried about an exposure the HIV rnaa test can b valid at 21days dater exposure.

Please know that HIV infection can be prevented with post exposure prophylaxis... You just sve to act within 72 hours post exposure for it to work. ...Read more

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Hiv window period debate? Some say that 6 weeks will give you a good test, while others say 6 months. I tested negative at 18 weeks. Is my test con?

HIV window period : Most people develop HIV antibodies within 2-8 weeks of their infection. The average is 25 days. 97% of people will develop detectable antibodies in the first 3 months. Rarely, it can take up to 6 months to develop antibody. If there's concern about acute hiv, a test that measures HIV RNA viral load can be done. The time between HIV infection and RNA detection is estimated 9–11 days. Talk with md. ...Read more

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What is the HIV antibody test window period?

What is the HIV antibody test window period?

HIV window: We used to say that the window was 30 days but the newer more sensitive laboratory 3rd elisa tests can detect antibody reliably at 15 days (some as early as 9 days) while 4th generation antigen/antibody tests can detect infection even earlier. ...Read more

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How long is HIV rapid test antibody window period?

2-6 wks-months.: Most people show antibody readings at about 2-6 weeks after HIV infection, however antibodies may not become detectable until after several months of infection. This does not mean that a person is not infected with HIV if no antibodies are detected so they need to be interpreted in accordance with history, risk factors, and state of health of the patient. False positives occur so confirm w/wblot. ...Read more

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What is the window period for HIV 2 What is your opinion in insti rapid test third generation after 16 weeks negative?

What is the window period for HIV 2 What is your opinion in insti rapid test third generation after 16 weeks negative?

HIV nucleic acid: A negative result at 16 weeks does not rule out HIV infection. Please discuss getting HIV nucleic acid test, with your doctor. ...Read more

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Hello Sir I want to know about the window period of HIV antibody tests. I tested negative after 6 months of the exposure and 1.8 yr of the previous.

HIV testing: Assuming that the testing was accurately performed the chances of your having HIV infection are next to non-existent. Use protected sex techniques. This is not a disease you want to get. ...Read more

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My wife and I have been married for years and decided recently to get HIV tests to be responsible. We have been faithful. Do we need to wait the window period for accurate results?

Yes and No: The accuracy of the test will not be changed if you have unprotected sex after the test was taken. The test only gives you results based on the time of the test. If you want to be sure and safe, wait until you get the results to move forward with unprotected sex. ...Read more

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What is the window period of HIV antibody tridot test in india?

What is the window period of HIV antibody tridot test in india?

HIV antibody Testing: You should have a valid answer by twelve weeks on this test. It is not the best test in an acute exposure. Your question also implies that you do not know that HIV infection can be prevented after a high risk exposure as long as the appropriate action is taken within 72 hours of exposure. This process known as post exposure prophylaxis is very effective at preventing infection. ...Read more

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What are the common signs of aids/hiv in window period other than being diagnosed from ELISA test?

What are the common signs of aids/hiv in window period other than being diagnosed from ELISA test?

HIV window period: Once the primary or acute infection is over, most people do not experience any visible symptoms for another 8-10 years. Even though someone may not have active symptoms, they still have the infection and are infectious to others. ...Read more

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Doc is it a must that one has to wait till is 3 months which is HIV window period before going for HIV test, to know his or her status?

No: You may test sooner, if the result is positive, it is definitive. If the result is negative, get an HIV nucleic acid test at 6 months after exposure to be sure. ...Read more

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Is HIV detectable after window period (3 months) by hiv-antibody test if pep is taken after 8 weeks of exposure assuming HIV is transmitted?

Is HIV detectable after window period (3 months) by hiv-antibody test if pep is taken after 8 weeks of exposure assuming HIV is transmitted?

HIV: As per the prior response to your question, it is unlikely that antibody testing will be influenced by post-exposure prophylaxis. If you are truly concerned about your test results get an HIV RNA pcr performed. Expensive but highly accurate. ...Read more

Dr. Ziad Akl Dr. Akl
2 doctors agreed:
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Naat HIV test has the shortest window period of only about 2 weeks. Does this length apply even to those who take longer than average to seroconvert?

Dr. Ziad Akl Dr. Akl
2 doctors agreed:

Yes: The two things have nothing to do with each other. Naat looks for the viral nucleic acid, while seroconversion is the appearance of antibodies against the virus. ...Read more

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What is the window period for Modern day HIV 4th generation tests. Many HIV specialists consider this conclusive at 28 days.? And CDC says 3 months?

Concensus is 4 weeks: Both biological principles of the test and expert opinion favor 28 days. Few if any HIV experts report ever having a patient with new HIV who didn't have a positive 4th generation test by 4 weeks. The main exception may be when post exposure prophylaxis with anti-HIV drugs is given but doesn't work. Even then, it's probably rare. Many official agencies take conservative stances and always have. ...Read more

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I just had an HIV blood test last week that was negative. I keep reading about the "window period". My potential exposure would have been about 5 years ago. Am i good regarding the window period?

Yes, you're good!: The window period is a matter of weeks, not years. So if your last possible exposure was 5 years ago, you don't have hiv! Hopefully this experience will encourage you to be safe from this point forward! And make sure your partners are safe, too! ...Read more

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Does Hypothyroidism affect the window period of 3 months? I took a test beyond 90 days and was negative in late April 2015, and now I'm reading all sorts of conflicting information. I keep reading that taking an HIV test three months post-exposure minus

Nucleic acid test: Hypothyroidism should not affect the window period. If your exposure was more than 3 months ago, you should get an HIV nucleic acid test. If that is negative, it will essentially rule out HIV infection. ...Read more

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What is 4th gen hiv test window period for hiv-2 I had 7 negative hiv tests from week 4 up to week 19. Can I move on no matter how high risk it was?

What is 4th gen hiv test window period for hiv-2
I had 7 negative hiv tests from week 4 up to week 19. Can I move on no matter how high risk it was?

Window 4 weeks: Yes you can move on. The 4th generation HIV tests include HIV2 as well as HIV1, and the results are conclusive any time 4 weeks or more after the last possible exposure. No matter how high the risk, all tests after 4 weeks were unnecessary. Also, HIV2 is rare outside parts of Africa; I don't know data from Albania, but probably very rare. No more testing needed. Best wishes, stay safe! ...Read more

Dr. Ed Friedlander
1,489 doctors shared insights

Human Immunodeficiency Virus (Definition)

Human immunodeficiency virus (HIV) is a lentivirus (a member of the retrovirus family) that causes acquired immunodeficiency syndrome (aids), [1][2] a condition in humans in which progressive failure of the immune system allows life-threatening opportunistic infections ...Read more